Connector firmness detection mechanism and detection method

Abstract

The present invention provides a connector firmness detection mechanism and detection method, belonging to the field of mechanical technology. It solves the problem of inconvenience in the firmness detection of existing connectors. The connector firmness detection method consists of the following steps: step a, clamping electronic components by a component clamping structure; step b, clamping wires by a wire clamping assembly; step c, pulling the wires by the wire clamping assembly and detecting whether the wires are detached from the electronic components by a detection structure; step d, classification: the wires that have not been detached after detection are classified as finished products, and the wires that have been detached after detection are classified as waste. It clamps the electronic components and the wires connected to the electronic components respectively by the component clamping structure and the wire clamping assembly, and then applies force by the pushing structure. When the wires and electronic components are not connected in place, the wire clamping assembly is displaced and detected by the detection structure, which can automatically identify electronic components with insufficient clamping or welding firmness, thereby improving detection efficiency.

Description

Technical Field

[0001] The invention belongs to the field of mechanical technology and relates to a detection mechanism, in particular to a connector firmness detection mechanism and a detection method. Background Art

[0002] Most electronic products need to be connected with wires before they can be used. For example, the terminals of the terminal heads need to be snapped into plastic parts, and the wires of LED lights need to be welded to the bulb pins. If the above structures are not firmly snapped or welded, they are easily stressed and fall off during use. In addition, the firmness of the above connector structures is often impossible to observe and sort by the naked eye, and can only be identified through manual operation, which makes detection cumbersome and has low production efficiency. Summary of the invention

[0003] The purpose of the present invention is to address the above problems in the prior art and to propose a connector firmness detection mechanism and detection method. The technical problem it aims to solve is how to detect the firmness of a snap-on or welded connector.

[0004] The object of the present invention can be achieved by the following technical solutions: A method for detecting the firmness of a connector, characterized in that it consists of the following steps:

[0005] Step a, clamping the electronic components by the component clamping structure;

[0006] Step b, clamping the wire by the wire clamping assembly;

[0007] Step c, pulling the wire by the wire clamping assembly and detecting whether the wire is detached from the electronic component by the detection structure;

[0008] Step d, classification: the products with no loose wires are classified as finished products, and the products with loose wires are classified as waste products.

[0009] The object of the present invention can also be achieved through the following technical solutions: a detection mechanism using the above-mentioned connector firmness detection method, characterized in that it includes a component clamping structure and a wire clamping detection structure, the component clamping structure is used to clamp electronic components, the wire clamping detection structure includes a wire clamping assembly, a pushing structure and a detection structure for detecting the position of the wire clamping assembly, the wire clamping assembly includes a lower clamp and an upper clamp that can be opened and closed and are used to clamp the wire, and the pushing structure is connected to the wire clamping assembly.

[0010] In the above-mentioned connector firmness detection mechanism, the pushing structure includes a vertical connecting plate, a wire pushing bracket, a push rod and a pushing drive source for driving the push rod to move, the upper clamp and the lower clamp are both connected to the vertical connecting plate, the push rod is slidably inserted on the vertical connecting plate, and the rear end of the push rod is fixedly connected to the wire pushing bracket, the front end of the push rod has a limit block, and a compression spring 1 is sleeved on the push rod, one end of the compression spring 1 abuts on the vertical connecting plate, and the other end of the compression spring 1 abuts on the push wire bracket, and the push wire bracket is slidably connected to the middle fixed plate through a transverse guide rail assembly 1.

[0011] In the above-mentioned connector firmness detection mechanism, the rear end of the lower clamp is fixedly connected to the vertical connecting plate, and the lower clamp is slidably connected to the middle fixed plate through a second transverse guide rail assembly, the vertical connecting plate is vertically arranged relative to the middle fixed plate, the upper clamp is slidably connected to the vertical connecting plate through a vertical guide rail assembly, and a downward pressure driving structure is connected to the upper clamp.

[0012] In the above-mentioned connector firmness detection mechanism, the downward pressing drive structure includes a downward pressing drive component, a rocker arm 1, an elastic force adjustment structure, a downward pressing drive connecting rod and a downward pressing drive source, the downward pressing drive component is connected to the upper clamp, one end of the rocker arm 1 is connected to the downward pressing drive component, the other end of the rocker arm 1 is connected to the elastic force adjustment structure, and the middle part of the rocker arm 1 is hinged on the side support plate, one end of the downward pressing drive connecting rod is connected to the elastic force adjustment structure, and the other end of the downward pressing drive connecting rod is connected to the downward pressing drive source.

[0013] In the above-mentioned connector firmness detection mechanism, the elastic force adjustment structure includes a piston sleeve and a piston rod, and a compression spring 2 is arranged in the inner cavity of the piston sleeve, one end of the compression spring 2 abuts against the bottom surface of the inner cavity of the piston sleeve, and the other end of the compression spring 2 abuts against the end surface of the piston rod, and an adjustment groove is opened on the side wall of the piston sleeve, and the piston rod is slidably inserted in the piston sleeve and fixedly connected to the piston sleeve by a fastener inserted in the adjustment groove.

[0014] In the above connector firmness detection mechanism, the downward pressing driving source is a cylinder driving structure or the connecting rod driving structure is a motor driving structure, and the downward pressing driving component is a cylinder or a connecting rod.

[0015] In the above-mentioned connector firmness detection mechanism, the component clamping structure includes an upper clamping plate, a lower clamping plate and a lifting connecting rod, the lower clamping plate is fixedly connected to the middle fixed plate, the upper clamping plate is connected to the top end of the lifting connecting rod, the lifting connecting rod is inserted into the middle fixed plate, and the bottom end of the lifting connecting rod is connected to the component clamping driving structure.

[0016] In the above-mentioned connector firmness detection mechanism, the component clamping drive structure includes a rocker arm 2, a component clamping drive connecting rod and a component clamping drive source, one end of the rocker arm 2 is connected to the lifting connecting rod, and the other end is connected to the component clamping drive connecting rod, and the component clamping drive connecting rod is connected to the connecting rod drive source.

[0017] In the above-mentioned connector firmness detection mechanism, the number of the wire clamping assemblies is 1 to 10 groups, and each group of wire clamping assemblies includes an upper clamp, a lower clamp, a vertical connecting plate, a push rod, a compression spring, a downward pressing drive assembly, a rocker arm and an elastic force adjustment structure.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] 1. This detection mechanism clamps the electronic components and the wires connected to the electronic components through the component clamping structure and the wire clamping assembly, and then applies force through the pushing structure. When the wires and electronic components are not connected properly, the wire clamping assembly is displaced and detected by the detection structure, which can automatically identify electronic components with insufficient clamping or welding firmness, thereby improving detection efficiency;

[0020] 2. This detection mechanism controls the pushing effect of the push rod through a pair of compression springs, that is, it can adjust the tension between the wire and the electronic component. Only when a certain tension value is reached can the wire or wire-carrying component that does not meet the requirements of the clamping or welding firmness be pulled off the electronic component and detected and identified. The clamping or welding firmness standard is adjustable;

[0021] 3. This detection mechanism can adjust the pressure of the upper clamp relative to the lower clamp through the compression spring 2. At the same time, the compression spring 2 and the compression spring 1 cooperate to provide buffering, that is, when the thrust of the push rod is too large, the upper clamp can be opened relative to the lower clamp to avoid damage to normal wires and electronic components;

[0022] 4. This detection mechanism has multiple wire clamping components and detection structures, and each wire clamping component and detection structure is relatively independent, and can detect the clamping or welding firmness of multiple electronic components at the same time, and can also detect the clamping or welding firmness of multiple wires on the same electronic component. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of embodiment 1 of the present invention.

[0024] Figure 2 It is a schematic diagram of the structure of the first embodiment of the present invention after removing the single-side side support plate.

[0025] Figure 3It is a cross-sectional view of an embodiment of the present invention.

[0026] Figure 4 It is a structural schematic diagram of the elastic force adjustment structure in the first embodiment of the present invention.

[0027] Figure 5 It is a structural schematic diagram of embodiment 2 of the present invention.

[0028] In the figure, 1, lower clamp; 2, upper clamp; 3, vertical connecting plate; 4, push wire bracket; 5, push rod; 6, limit block; 7, compression spring 1; 8, transverse guide rail assembly 1; 9, middle fixing plate; 10, transverse guide rail assembly 2; 11, vertical guide rail assembly; 12, downward pressure drive assembly; 13, rocker arm rod 1; 14, elastic force adjustment structure; 1401, piston sleeve; 1402, piston rod; 1403, compression spring 2 ; 1404, adjustment slot; 1405, fastener; 15, downward pressure drive connecting rod; 16, side support plate; 17, photoelectric detector; 18, upper clamp; 1801, upper limit part; 19, lower clamp; 1901, lower limit part; 20, lifting connecting rod; 21, rocker arm rod 2; 22, component clamping drive connecting rod; 23, wire; 24, electronic components; 25, cylinder one; 26, cylinder two; 27, cylinder three. DETAILED DESCRIPTION

[0029] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0030] Embodiment 1:

[0031] Reference Figure 1-Figure 4The first embodiment of the present invention is a connector firmness detection mechanism, including a component clamping structure and a wire clamping detection structure, the component clamping structure is used to clamp the electronic component 24, the wire clamping detection structure includes a wire clamping assembly, a pushing structure and a detection structure for detecting the position of the wire clamping assembly, the wire clamping assembly includes a lower clamp 1 and an upper clamp 2 that can be opened and closed and used to clamp the wire 23, the pushing structure is connected to the wire clamping assembly, and the pushing structure includes a vertical connecting plate 3, a wire pushing bracket 4, and a push rod 5 and a pushing driving source for driving the push rod 5 to move, the upper clamp 2 and the lower clamp 1 are both connected to the vertical connecting plate 3, the push rod 5 is slidably inserted in the vertical connecting plate 3, and the rear end of the push rod 5 is fixedly connected to the wire pushing bracket 4, the front end of the push rod 5 has a limit block 6, and a compression spring 7 is sleeved on the push rod 5, one end of the compression spring 7 rests on the vertical connecting plate 3, and the other end of the compression spring 7 rests on the wire pushing bracket 4, and the wire pushing bracket 4 is slidably connected to the middle fixed plate 9 through a transverse guide rail assembly 8. The rear end of the lower clamp 1 is fixedly connected to the vertical connecting plate 3, and the lower clamp 1 is slidably connected to the middle fixed plate 9 through a transverse guide rail assembly 10, the vertical connecting plate 3 is vertically arranged relative to the middle fixed plate 9, the upper clamp 2 is slidably connected to the vertical connecting plate 3 through a vertical guide rail assembly 11, and a downward pressure driving structure is connected to the upper clamp 2, the downward pressure driving structure includes a downward pressure driving assembly 12, a rocker arm 13, an elastic force adjustment structure 14, a downward pressure driving connecting rod 15 and a downward pressure driving source, the downward pressure driving assembly 12 is a connecting rod connected to the upper clamp 2, one end of the rocker arm 13 is connected to the downward pressure driving assembly 12, the other end of the rocker arm 13 is connected to the elastic force adjustment structure 14, and the middle of the rocker arm 13 Hinged on the side support plate 16, one end of the downward driving connecting rod 15 is connected to the elastic force adjustment structure 14, and the other end of the downward driving connecting rod 15 is connected to the downward driving source. The elastic force adjustment structure 14 includes a piston sleeve 1401 and a piston rod 1402. A compression spring 1403 is arranged in the inner cavity of the piston sleeve 1401, one end of the compression spring 1403 abuts on the inner cavity bottom surface of the piston sleeve 1401, and the other end of the compression spring 1403 abuts on the end surface of the piston rod 1402. An adjustment groove 1404 is provided on the side wall of the piston sleeve 1401. The piston rod 1402 is slidably inserted in the piston sleeve 1401 and is fixedly connected to the piston sleeve 1401 through a fastener inserted in the adjustment groove 1404. The detection structure is a photoelectric detector 17 or a touch switch for detecting the position of the upper clamp 2 and / or the lower clamp 1.The component clamping structure includes an upper clamping plate 18, a lower clamping plate 19 and a lifting link 20, the lower clamping plate 19 is fixedly connected to the middle fixed plate 9, the upper clamping plate 18 is connected to the top end of the lifting link 20, the lifting link 20 is inserted into the middle fixed plate 9, and the bottom end of the lifting link 20 is connected to the component clamping driving structure; the front end of the upper clamping plate 18 has an upper limit portion 1801 folded downward, and the front end of the lower clamping plate 19 has a lower limit portion 1901 folded upward, the lower limit portion 1901 and the upper limit portion 1801 are arranged opposite to each other, and when the upper clamping plate 18 and the lower clamping plate 19 clamp electronic components, the distance between the lower limit portion 1901 and the upper limit portion 1801 is greater than the outer diameter of the wire 23. The component clamping drive structure includes a rocker arm 21, a component clamping drive connecting rod 22 and a component clamping drive source. One end of the rocker arm 21 is connected to the lifting connecting rod 20, and the other end is connected to the component clamping drive connecting rod 22. The component clamping drive connecting rod 22 is connected to the connecting rod drive source. In this embodiment 1, the connecting rod drive source used to drive the component clamping drive connecting rod 22, the downward driving source used to drive the downward driving connecting rod 15 and the pushing driving source used to drive the push rod 5 to move are cam connecting rod drive structures.

[0032] The number of the wire clamping assemblies in the first embodiment is 1 to 10 groups, preferably 3 groups, and each group of wire clamping assemblies includes an upper clamp 2, a lower clamp 1, a vertical connecting plate 3, a push rod 5, a compression spring 7, a downward pressing drive assembly 12, a rocker arm 13 and an elastic force adjustment structure 14.

[0033] The detection method of the first embodiment consists of the following steps:

[0034] Step a, clamping electronic components;

[0035] Step b, clamping the wire;

[0036] Step c, pulling the wire and detecting whether the wire is detached from the electronic component through a detection structure;

[0037] Step d, classification: The products without any loose wires are classified as finished products, and the products with any loose wires are classified as waste products. When waste products are detected, they can be classified manually through sound and light alarms, or they can be classified automatically.

[0038] What this embodiment 1 wants to detect is the clamping firmness of the terminal with a wire and the plastic connector, that is, the electronic component 24 in this embodiment 1 is a plastic connector, and the terminal with a wire 23 is clamped on the plastic connector. The working principle of this embodiment 1 is as follows: the plastic connector and the wire 23 are clamped respectively by the component clamping structure and the wire clamping assembly, and then force is applied by the pushing structure. When the terminal and the plastic connector are not connected in place, the terminal is disengaged from the plastic connector, and the upper clamp 2 and the lower clamp 1 clamp the wire 23 and move forward. The photoelectric sensor 17 arranged at the front end of the middle fixed plate 9 detects the movement of the upper clamp 2 and the lower clamp 1, and an audible and visual alarm is triggered, and the detached terminals with wires 23 and plastic connectors are identified and stored in a classified manner.

[0039] Embodiment 2:

[0040] Reference Figure 5 The structure of the second embodiment is basically the same as that of the first embodiment. The difference is that in the second embodiment, the connecting rod driving source for driving the component clamping driving connecting rod 22 is cylinder one 25, the pushing driving source for driving the push rod 5 to move is cylinder two 26, and the pressing driving source for driving the pressing driving connecting rod 15 is cylinder three 27.

[0041] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A connector firmness detection mechanism, characterized in that: The invention relates to a wire clamping device and a wire clamping detection structure, wherein the component clamping structure is used to clamp electronic components, the wire clamping detection structure comprises a wire clamping assembly, a pushing structure and a detection structure for detecting the position of the wire clamping assembly, the wire clamping assembly comprises a lower clamp and an upper clamp which can be opened and closed and are used to clamp the wire, the pushing structure is connected to the wire clamping assembly, the pushing structure comprises a vertical connecting plate, a wire pushing bracket, a push rod and a push driving source for driving the push rod to move, the upper clamp and the lower clamp are both connected to the vertical connecting plate, the upper clamp is slidably connected to the vertical connecting plate through a vertical guide rail assembly, and the upper clamp is connected to a downward driving structure, the downward driving structure comprises a downward driving assembly, a rocker arm rod 1, an elastic force adjustment structure, a downward driving connecting rod and a downward driving source, the downward driving assembly is connected to the upper clamp, one end of the rocker arm rod 1 is connected to the downward driving assembly, and the other end of the rocker arm rod 1 is connected to the elastic force adjustment structure The cam is connected to the piston sleeve, and the middle part of the rocker arm rod 1 is hinged on the side support plate, one end of the downward pressure driving connecting rod is connected to the elastic force adjustment structure, and the other end of the downward pressure driving connecting rod is connected to the downward pressure driving source, the elastic force adjustment structure includes a piston sleeve and a piston rod, a compression spring 2 is arranged in the inner cavity of the piston sleeve, one end of the compression spring 2 is against the bottom surface of the inner cavity of the piston sleeve, and the other end of the compression spring 2 is against the end surface of the piston rod, an adjustment groove is provided on the side wall of the piston sleeve, the piston rod is slidably inserted in the piston sleeve, and is fixedly connected to the piston sleeve by a fastener inserted in the adjustment groove, the detection structure is a photoelectric sensor or a touch switch for detecting the position of the upper clamp and / or the lower clamp, the component clamping structure includes an upper clamping plate, a lower clamping plate and a lifting connecting rod, the lower clamping plate is fixedly connected to the middle fixed plate, the upper clamping plate is connected to the top end of the lifting connecting rod, the lifting connecting rod is inserted in the middle fixed plate, and the bottom end of the lifting connecting rod is connected to the component clamping driving structure.

2. The connector firmness detection mechanism according to claim 1, characterized in that: The push rod is slidably inserted on the vertical connecting plate, and the rear end of the push rod is fixedly connected to the push wire bracket. The front end of the push rod has a limit block. A compression spring is sleeved on the push rod. One end of the compression spring rests on the vertical connecting plate, and the other end of the compression spring rests on the push wire bracket. The push wire bracket is slidably connected to the middle fixed plate through a transverse guide rail assembly.

3. The connector firmness detection mechanism according to claim 2, characterized in that: The rear end of the lower clamp is fixedly connected to the vertical connecting plate, and the lower clamp is slidably connected to the middle fixing plate through the second transverse guide rail assembly, and the vertical connecting plate is vertically arranged relative to the middle fixing plate.

4. The connector firmness detection mechanism according to claim 1, 2 or 3, characterized in that: The component clamping drive structure includes a rocker arm 2, a component clamping drive connecting rod and a component clamping drive source. One end of the rocker arm 2 is connected to the lifting connecting rod, and the other end is connected to the component clamping drive connecting rod. The component clamping drive connecting rod is connected to the connecting rod drive source.

5. The connector firmness detection mechanism according to claim 1, 2 or 3, characterized in that: The number of the wire clamping assemblies is 1 to 10 groups, and each group of wire clamping assemblies includes an upper clamp, a lower clamp, a vertical connecting plate, a push rod, a compression spring, a downward pressing drive assembly, a rocker arm and an elastic force adjustment structure.

6. The detection method of the connector firmness detection mechanism according to any one of claims 1 to 5, characterized in that: It consists of the following steps: Step a, clamping the electronic components by the component clamping structure; Step b, clamping the wire by the wire clamping assembly; Step c, pulling the wire through the wire clamping assembly and the pushing structure and detecting whether the wire is detached from the electronic component through the detection structure, the pushing structure having an elastic adjustment structure to prevent normal wires and electronic components from being damaged; Step d, classification: the products with no loose wires are classified as finished products, and the products with loose wires are classified as waste products.

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